There are 12 zip codes in Clinton County, Pennsylvania. The most populated is 17745, located in Lock Haven. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
1774517,494Lock Haven
177517,180Mill Hall
177473,412Loganton
177642,405Renovo
168221,935Beech Creek
177211,572Avis
17760548North Bend
16848289Lamar
17748153Mc Elhattan
17750137Mackeyville
17779132Woolrich
17778130Westport
showing: 12 rows

Zip Codes in Clinton County, Pennsylvania by Population (2024)